d - 38.1 mm
D - 71.438 mm
B - 40.132 mm
C - 33.325 mm
α - 7 °
dk - 63.881 mm
b - 4.8 mm
b1 - 5 mm
M - 4 mm
r1 - min. - 1 mm
r2 - min. - 1 mm
da - min. - 42.8 mm
da - max. - 49.7 mm
Da - min. - 61.3 mm
Da - max. - 67.4 mm
ra - max. - 1 mm
rb - max. - 1 mm
Basic dynamic load rating - C - 255 kN
Basic static load rating - C0 - 510 kN
Specific factor dinamic load - K - 150 N/mm2
Specific factor static load - K0 - 300 N/mm2
Constant - KM - 330
Mass bearing - 0.79 kg
Hot number:NTN 2221 NSK 7315 C/DB OKB 8113H Gamet 101040/101076 Timken 240/850YMD ISO 71817 C NACHI 7221DB KOYO BK2820 ISB ER1.25.0574.400-1SPPN ISO GE80DO NSK RSF-4913E4 KOYO UCCX12-39 FED 5310 FAG NJ-2012E SKF P 25 FM
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